GRATEFUL DEAD Dave's Picks Volume 20: CU Events Center, University of Colorado, Boulder, CO 12/9/81 (2016 US limited edition 24-track 3-CD set, mastered to HDCD specs by Jeffrey Norman. Comes housed in a tri-fold digipak made of 100% recycledand PCW materials and includes a colorful booklet with photos and a lively historical essay. Although not sealed, the digipack and the contents are Near Mint)